Huawei USG2100/USG2200/USG5100/USG5500 prior V300R001C10SPC600 PPPoE memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Huawei USG2100, USG2200, USG5100 and USG5500. The affected element is an unknown function of the component PPPoE. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2016-8276. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Huawei USG2100, USG2200, USG5100 and USG5500. It has been declared as very critical. Affected by this vulnerability is some unknown processing of the component PPPoE. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the Point-to-Point Protocol over Ethernet (PPPoE) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600, when CHAP authentication is configured on the server, allows remote attackers to cause a denial of service (server restart) or execute arbitrary code via crafted packets sent during authentication.

The weakness was shared 10/03/2016 (Website). The advisory is shared at huawei.com. This vulnerability is known as CVE-2016-8276 since 09/18/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/22/2022).

Upgrading to version V300R001C10SPC600 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92962†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: USG2100/USG2200/USG5100/USG5500 V300R001C10SPC600

Timelineinfo

09/14/2016 🔍
09/18/2016 +4 days 🔍
10/03/2016 +15 days 🔍
10/03/2016 +0 days 🔍
10/04/2016 +1 days 🔍
09/22/2022 +2179 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20160914-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8276 (🔍)
GCVE (CVE): GCVE-0-2016-8276
GCVE (VulDB): GCVE-100-92329
SecurityFocus: 92962 - Multiple Huawei USG Products Buffer Overflow Vulnerability

Entryinfo

Created: 10/04/2016 10:31
Updated: 09/22/2022 08:33
Changes: 10/04/2016 10:31 (49), 04/30/2019 16:24 (12), 09/22/2022 08:33 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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